• Code: 381-126-00
• Description: Lead Edge Late to TAR 2 Sensor from Tray 2 RAP 381-126-00 The lead edge of the paper failed to actuate the tray 2 TAR sensor within the correct time after feeding paper from tray 2.
• Remedy: NOTE: The front door and left door must be closed, or their respective interlock switches must be cheated when checking +24V components. Enter dC330 code 082-001, tray 2 TAR sensor, Q82-001.. Open the left door. Manually actuate Q82-001. The display changes. Y↓N→Re-install the tray 1 feed assembly. Go to Flag 3. Check MOT71-010. Refer to: • GP 11 How to Check a Sensor. • P/J750, IOT PWB. • 301E +5V and +5VSB Distribution RAP. • 301B 0V Distribution RAP. If necessary, install a new Tray 2 TAR sensor, PL 80.10 Item 5. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP. Enter dC330 code 080-006, TAR/bypass tray motor, MOT80-006. The motor runs. Y↓N→Go to Flag 2. Check MOT80-006. Refer to: • GP 10 How to Check a Motor. • P/J754, IOT PWB. • 301G +24V Distribution RAP. • 301B 0V Distribution RAP. If necessary, install a new TAR/bypass tray motor, PL 80.25 Item 5. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP. Observe the transport rolls, PL 80.25 Item 7. The transport rolls rotate. Y↓N→Check the transport roll drive belt, drive pulley and pulley, PL 80.25. Install new components as necessary: • Transport roll drive belt, PL 80.25 Item 2. • Pulley, PL 80.25 Item 4. • Transport roll bearing, PL 80.25 Item 6. • Transport roll, PL 80.25 Item 7. Check the nip roll assembly, PL 80.10 Item 10, refer to GP 7. Manually rotate the nip rolls. The nip rolls rotate. Y↓N→Install new components as necessary: • Nip roll assembly, PL 80.10 Item 10. • Tension spring, PL 80.10 Item 7. CAUTION To prevent damage to the feed mechanism, the paper tray must be pulled out before MOT72- 010 is run in service mode. Enter dC330 code 081-020, tray 2 elevator/feed motor, MOT72-010. Pull out the tray. The motor runs. Y↓N→Remove the feed assembly from the machine. Manually rotate the feed roll shaft. The feed rolls rotate. Y↓N→Check the drive gears for damage. If necessary, install new components, PL 80.26. Install the tray 2 feed assembly. Go to Flag 3. Check MOT72-010. Refer to: • GP 10 How to Check a Motor. • P/J752, IOT PWB. • 301E +5V and +5VSB Distribution RAP. • 301G +24V Distribution RAP. • 301B 0V Distribution RAP. If necessary, install a new tray 2 elevator/feed motor, PL 80.26 Item 6. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP. Observe the nudger roll, PL 80.26 Item 5. The nudger roll rotates. Y↓N→Check the nudger roll drive belt and drive coupling for damage. If necessary install new components, PL 80.26. Remove the paper tray. Manually activate the retard nip split mechanism. The retard roll moves against the feed roll. Y↓N→Check the retard roll drive coupling and mechanism for damage. If necessary install new components, PL 80.26. Perform the steps that follow: • Clean the feed roll using a cloth dampened with water. • Check the feed roll assembly, PL 80.26 Item 3. • Check the paper feed assembly, PL 80.26 Item 1.

• Code: 381-136-00
• Description: Lead Edge Late to Tray 3 Feed Sensor RAP 381-136-00 The lead edge of the paper failed to actuate the tray 3 feed sensor within the correct time after feeding paper from tray 3.
• Remedy: NOTE: The front door and left door must be closed, or their respective interlock switches must be cheated when checking +24V components. Enter dC330 code 081-103, tray 3 feed sensor, Q81-103. Manually actuate Q81- 103. The display changes. Y↓N→Go to Flag 1. Check Q81-103. Refer to: • GP 11 How to Check a Sensor. • P/J755, IOT PWB. • 301E +5V and +5VSB Distribution RAP. • 301B 0V Distribution RAP. If necessary, install a new tray 3 feed sensor, PL 80.32 Item 3. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP. Enter dC330 code 081-045, HCF transport motor, MOT81-045. The motor runs. Y↓N→Go to Flag 2. Check MOT81-045. Refer to: • GP 10 How to Check a Motor. • P/J756, IOT PWB. • 301G +24V Distribution RAP. • 301B 0V Distribution RAP. If necessary, install a new HCF transport motor, PL 80.36 Item 13. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP. Observe the HCF transport roll, PL 80.33 Item 4. The HCF transport roll rotates. Y↓N→Check the components that follow: • HCF transport roll, PL 80.33 Item 4. • Gear, PL 80.33 Item 2. • Transport gear pulley, PL 80.36 Item 12. Install new components as necessary. CAUTION To prevent damage to the feed mechanism, the paper tray must be pulled out before MOT81- 030 is run in service mode. Enter dC330 code 081-030, tray 3 feed motor, MOT81-030. Pull out tray 3. The motor runs. Y↓N→Go to Flag 3. Check MOT81-030. Refer to: • GP 10 How to Check a motor. • P/J755, IOT PWB. • 301G +24V Distribution RAP. • 301B 0V Distribution RAP. If necessary, install a new Tray 3 feed motor, PL 80.32 Item 8. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP. Enter dC330 code 081-030, tray 3 feed motor, MOT81-030. Add the code 081-033, tray 3 feed clutch, CL81-033. Pull out tray 3. Observe the tray 3 feed and nudger rolls. NOTE: The bypass tray clutch will also energize when component control code 081-033 is entered. The rolls rotate. Y↓N→Go to Flag 4. Check CL81-033. Refer to: • GP 12 How to Check a Solenoid or Clutch. • P/J755, IOT PWB. • 301G +24V Distribution RAP. • 301B 0V Distribution RAP. If necessary, install a new tray 3 paper feed assembly, PL 80.32 Item 1. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP. Perform the steps that follow: • Clean the feed roll, nudger roll and retard roll using a cloth dampened with water. • Check the feed roll, retard roll and nudger roll for wear. If necessary install a new feed/ nudger/retard roll spares kit, PL 31.12 Item 15. • Perform the adjustments that follow: – ADJ 80.3 Tray 3 and Tray 4 Retard Roll Pressure. – ADJ 80.1 Tray 3 and Tray 4 Nudger Roll Pressure. • Check the tray 3 stack height sensor actuator on the feed assembly, PL 80.32 Item 6. • Check the tray is level. 1. Pull out tray 3 and remove all of the paper from the tray. 2. Remove the tray 3 front cover. 3. Manually elevate the tray to the top of its travel by rotating the elevator cable drum at the front of the tray. 4. At the 3 locations where the metal paper tray protrudes through the plastic outer frame of tray 3, check that the top surface of the metal paper tray is the same distance from the inside top of the slots. 5. If the tray is not level, install new elevator cables, PL 70.18 Item 7. • Check the tray 3 paper tray guide for paper cut damage. If necessary install new components, PL 70.18 Item 14.

• Code: 381-146-00
• Description: Lead Edge Late to Tray 4 Feed Sensor RAP 381-146-00 The lead edge of the paper failed to actuate the tray 4 feed sensor within the correct time after feeding paper from tray 4.
• Remedy: NOTE: The front door and left door must be closed, or their respective interlock switches must be cheated when checking +24V components. Locate the tray 4 feed sensor. Enter dC330 code 081-104, tray 4 feed sensor, Q81- 104. Manually actuate Q81-104. The display changes. Y↓N→Go to Flag 1. Check Q81-104. Refer to: • GP 11 How to Check a Sensor. • GP 30 Tray 4 Control PWB Test Points. • P/J157, Tray 4 control PWB. • P/J775, IOT PWB. • 301E +5V and +5VSB Distribution RAP. • 301B 0V Distribution RAP. Install new components as necessary: • Tray 4 feed sensor, PL 80.33 Item 6. Enter dC330 code 081-104, tray 4 feed sensor, Q81-104. Manually actuate Q81-104. The display changes. Y↓N→Go to Flag 2. Check the wiring between the Tray 4 control PWB and IOT PWB. Refer to: • GP 30 Tray 4 Control PWB Test Points. • P/J155, Tray 4 control PWB. • P/J775, IOT PWB. • 301E +5V and +5VSB Distribution RAP. • 301B 0V Distribution RAP. The wiring is good. Y↓N→Repair the wiring. +5V is present at P/J155 pin 3. Y↓N→Perform OF7 IOT PWB Diagnostics RAP. Install a new tray 4 control PWB, PL 70.21 Item 2. CAUTION To prevent damage to the feed mechanism, the paper tray must be pulled out before MOT81- 040 is run in service mode. Enter dC330 code 081-040, tray 4 feed motor, MOT81-040. The motor runs. Y↓N→Go to Flag 6. Check MOT81-040. Refer to: • GP 10 How to Check a Motor. • GP 30 Tray 4 Control PWB Test Points. • P/J162, Tray 4 control PWB. • 301G +24V Distribution RAP. • 301B 0V Distribution RAP. Install new components as necessary: • Tray 4 feed motor, PL 80.33 Item 10. Enter dC330 code 081-040, tray 4 feed motor, MOT81-040. The motor runs. Y↓N→Go to Flag 3. Check the wiring between the Tray 4 control PWB and IOT PWB. Refer to: • GP 30 Tray 4 Control PWB Test Points. • P/J155, Tray 4 control PWB. • P/J775, IOT PWB. • 301E +5V and +5VSB Distribution RAP. • 301B 0V Distribution RAP. The wiring is good. Y↓N→Repair the wiring. +5V is present at P/J155 pin 10. Y↓N→Perform OF7 IOT PWB Diagnostics RAP. Install a new tray 4 control PWB, PL 70.21 Item 2. The motor runs. Y↓N→Go to Flag 5. Check the wiring between the LVPS and Tray 4 control PWB. Refer to: • GP 30 Tray 4 Control PWB Test Points. • P/J158, Tray 4 control PWB. • P/J656, LVPS • 301G +24V Distribution RAP. • 301B 0V Distribution RAP. The wiring is good. Y↓N→Repair the wiring. +24V is present at P/J158 pin 2. Y↓N→Perform the 301L LVPS RAP. Install a new tray 4 control PWB, PL 70.21 Item 2. Locate the tray 4 feed clutch, CL81-043. Enter dC330 code 081-040, tray 4 feed motor, MOT81-040. Add the code 081-043, tray 4 feed clutch, CL81-043. Pull out tray 4. Observe the tray 4 feed and nudger rolls. The rolls rotate. Y↓N→Go to Flag 4. Check CL81-043. Refer to: • GP 12 How to Check a Solenoid or Clutch. • GP 30 Tray 4 Control PWB Test Points. • P/J162, Tray 4 control PWB. • 301G +24V Distribution RAP. • 301B 0V Distribution RAP. Install new components as necessary: • Tray 4 paper feed assembly, PL 80.33 Item 1. Go to Flag 3. Check the wiring between the Tray 4 control PWB and IOT PWB. Refer to: • GP 30 Tray 4 Control PWB Test Points. • P/J155, Tray 4 control PWB. • P/J775, IOT PWB. • 301E +5V and +5VSB Distribution RAP. • 301B 0V Distribution RAP. The wiring is good. Y↓N→Repair the wiring. +5V is present at P/J155 pin 10. Y↓N→Perform OF7 IOT PWB Diagnostics RAP. Install a new tray 4 control PWB, PL 70.21 Item 2. Perform the steps that follow: • Clean the feed roll, nudger roll and retard roll using a cloth dampened with water. • Check the feed roll, nudger roll and retard roll for wear. If necessary install a new feed/ nudger/retard roll spares kit, PL 31.12 Item 15. • Perform the adjustments that follow: – ADJ 80.3 Tray 3 and Tray 4 Retard Roll Pressure. – ADJ 80.1 Tray 3 and Tray 4 Nudger Roll Pressure. • Check the tray 4 stack height sensor actuator on the feed assembly, PL 80.33 Item 7. • Check the tray is level: 1. Pull out tray 4. Remove all the paper from the tray. 2. Remove the tray 4 front cover. 3. Manually elevate the tray to the top of its travel by rotating the elevator cable drum at the front of the tray. 4. At the 3 locations where the metal paper tray protrudes through the outer plastic frame of tray 4, check that the top surface of the metal paper tray is the same distance from the inside top of the slots 5. If the tray is not level, install new elevator cables, PL 70.19 Item 7. • Check the tray 4 paper tray guide for paper cut damage, PL 70.19 Item 17. • If the fault persists, refer to GP 7. Check the components that follow: – The takeaway roll assembly, PL 80.36 Item 2. – The idler roll assembly, PL 80.36 Item 8. – HCF transport roll, PL 80.33 Item 4. – The idler roll assembly, PL 80.32 Item 2. Install new components as necessary.

• Code: 381-151-00
• Description: Lead Edge Late to Registration Sensor RAP 381-151-00 The lead edge of the paper was late to the registration sensor when feeding in simplex mode.
• Remedy: NOTE: The front door and left door must be closed, or their respective interlock switches must be cheated when checking +24V components. Enter dC330 code 082-150, registration sensor, Q82-150. Open the left door. Actuate Q82-150. The display changes. Y↓N→Go to Flag 1. Check Q82-150. Refer to: • GP 11 How to check a Sensor. • P/J763, IOT PWB. • 301E +5V and +5VSB Distribution RAP. • 301B 0V Distribution RAP. If necessary, install a new registration sensor, PL 80.17 Item 7. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP. If the fault persists, perform the appropriate RAP: • 381-190-00 Lead Edge Late to Registration Sensor from Tray 1. • 381-191-00 Lead Edge Late to Registration Sensor from Tray 2. • 381-192-00 Lead Edge Late to Registration Sensor from Tray 3. • 381-193-00 Lead Edge Late to Registration Sensor from Tray 4.

• Code: 381-152-00
• Description: Trail Edge Late from Registration Sensor RAP 381-152-00 The trail edge of the paper was late from the registration sensor when feeding in simplex mode.
• Remedy: Open the left door. Enter dC330 code 010-020, fuser drive motor, MOT10-020. Observe the fuser roll and the pressure roll through the top of the fuser. The fuser rolls turn. Y↓N→Go to Flag 1. Check MOT10-020. Refer to: • GP 10, How to Check a Motor. • P/J761, IOT PWB. • P/J656, LVPS. • 301E +5V and +5VSB Distribution RAP. • 301G +24V Distribution RAP. • 301B 0V Distribution RAP. If necessary, install a new main drive module, PL 40.15 Item 1. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP and 301L LVPS RAP. Enter dC330 code 093-045, print cartridge motor, MOT93-045. Observe the photoreceptor. The photoreceptor turns. Y↓N→Go to Flag 1. Check MOT93-045. Refer to: • GP 10, How to check a Motor. • P/J756, IOT PWB. • P/J656,LVPS. • 301E +5V and +5VSB Distribution RAP. • 301G +24V Distribution RAP. • 301B 0V Distribution RAP. Install new components as necessary: • Main drive module, PL 40.15 Item 1. • Print cartridge, PL 90.17 Item 9. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP and 301L LVPS RAP. Enter dC330 code 082-150, registration sensor, Q82-150. Actuate Q82-150. The display changes. Y↓N→Go to Flag 2. Check Q82-150. Refer to: • GP 11 How to check a Sensor. • P/J762, IOT PWB. • 301E +5V and +5VSB Distribution RAP. • 301B 0V Distribution RAP. If necessary, install a new registration sensor, PL 80.17 Item 7. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP. Enter dC330 code 080-040, registration motor, MOT80-040. The motor runs. Y↓N→Go to Flag 3. Check MOT80-040. Refer to: • GP 10, How to Check a Motor. • P/J762, IOT PWB. • 301G +24V Distribution RAP. • 301B 0V Distribution RAP. If necessary, install a new registration motor, PL 40.15 Item 6. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP. Observe the registration roll, PL 80.17 Item 5. The registration roll turns. Y↓N→Check the registration drive gear, PL 80.17 Item 3. Install new components as necessary. Refer to GP 7 and OF10 Intermittent Fault RAP. Check the components that follow: • Registration nip roll, PL 80.15 Item 4. • Bias transfer roll, PL 80.15 Item 3. • Registration roll, PL 80.17 Item 6. • Track (DTS), PL 90.10 Item 6, from the detack saw to the HVPS. Install new components as necessary. If the fault persists, perform the 381A Paper Feed Retries RAP.

• Code: 381-155-00
• Description: Lead Edge Late to Registration Sensor from the Bypass Tray RAP 381-155-00 The lead edge of the paper was late to the registration sensor when feeding from the bypass tray.
• Remedy: NOTE: The front door and left door must be closed, or their respective interlock switches must be cheated when checking +24V components. Open the left door. Enter dC330 code 082-150, registration sensor, Q82-150. Actuate Q82-150. The display changes. Y↓N→Go to Flag 1. Check Q82-150. Refer to: • GP 11 How to Check a Sensor. • P/J763, IOT PWB. • 301E +5V and +5VSB Distribution RAP. • 301B 0V Distribution RAP. If necessary, install a new registration sensor, PL 80.17 Item 7. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP. With the left door closed, enter dC330 code 080-025, TAR/bypass tray motor, MOT80-006, in reverse. The motor runs in reverse. Y↓N→Go to Flag 2. Check MOT80-006. Refer to: • GP 10, How to Check a Motor. • P/J754, IOT PWB. • 301G +24V Distribution RAP. • 301B 0V Distribution RAP. If necessary, install a new TAR/bypass tray motor, PL 80.25 Item 5. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP. Go to Flag 3. Check the bypass tray clutch, PL 70.35 Item 9. Refer to: • GP 12 How to Check a Solenoid or Clutch. • P/J757, IOT PWB. • 301G +24V Distribution RAP. • 301B 0V Distribution RAP. The clutch is good. Y↓N→If necessary, install a new bypass tray clutch, PL 70.35 Item 9. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP. Check the condition and operation of the components that follow. Refer to GP 7 Miscellaneous Checks: • Bypass tray drive assembly. • Tension spring. • Bypass tray drive belt, PL 80.25 Item 10. • Drive pulley, PL 80.25 Item 3. Install new components as necessary: • Bypass tray assembly, PL 70.35 Item 1. • Bypass tray drive belt, PL 80.25 Item 10. • Drive pulley, PL 80.25 Item 3. Refer to GP 7 Miscellaneous Checks. Perform the steps that follow: • Check the bypass tray feed roll, PL 70.35 Item 14, retard roll, PL 70.35 Item 16 and retard pad, PL 70.35 Item 6. • If necessary clean the feed roll, retard roll and retard pad using a cloth dampened with water. • If necessary install new components, PL 70.35.

• Code: 381-159-00
• Description: Lead Edge Late to HCF Exit Sensor from Tray 3 RAP 381-159-00 The lead edge of the paper was late to the HCF exit sensor when feeding from tray 3.
• Remedy: NOTE: The front door and left door must be closed, or their respective interlock switches must be cheated when checking +24V components. Enter dC330 code 081-108, HCF exit sensor, Q81-108. Manually actuate Q81-108. The display changes. Y↓N→Go to Flag 1. Check Q81-108. Refer to: • GP 11 How to Check a Sensor. • P/J755, IOT PWB. • 301E +5V and +5VSB Distribution RAP. • 301B 0V Distribution RAP. If necessary, install a new HCF exit sensor, PL 80.32 Item 3. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP. Enter dC330 code 081-045, HCF transport motor, MOT81-045. The motor runs. Y↓N→Go to Flag 2. Check MOT81-045. Refer to: • GP 10 How to Check a Motor. • P/J756, IOT PWB. • 301G +24V Distribution RAP. • 301B 0V Distribution RAP. If necessary, install a new HCF transport motor, PL 80.36 Item 13. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP. Observe the takeaway roll, PL 80.36 Item 2 and HCF transport roll, PL 80.33 Item 4. The takeaway and HCF transport rolls rotates. Y↓N→Check the components that follow: • Drive belt, PL 80.36 Item 6. • Drive coupling, PL 80.36 Item 7. • Takeaway roll assembly, PL 80.36 Item 2. • Idler roll assembly, PL 80.32 Item 2. • Transport gear pulley, PL 80.36 Item 12. • HCF transport roll, PL 80.33 Item 4. Install new components as necessary. Perform the 381-136-00 Lead Edge Late to Tray 3 Feed Sensor RAP

• Code: 381-161-00
• Description: Lead Edge Late to Registration Sensor Duplex Mode RAP 381-161-00 The lead edge was late to the registration sensor in duplex mode.
• Remedy: NOTE: The front door and left door must be closed, or their respective interlock switches must be cheated when checking +24V components. Open the left door. Enter dC330 code 083-160, duplex sensor, Q83-160. Open the inner duplex door. Manually actuate Q83-160. The display changes. Y↓N→Go to Flag 1. Check Q83-160. Refer to: • GP 11 How to Check a Sensor. • P/J759, IOT PWB. • 301E +5V and +5VSB Distribution RAP. • 301B 0V Distribution RAP. If necessary, install a new duplex sensor, PL 80.10 Item 8. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP. Remove the duplex motor cover PL 80.22 Item 21. Locate the duplex motor, MOT83-060. Enter dC330 code 083-062, duplex motor fast speed. The motor runs. Y↓N→Go to Flag 2. Check MOT83-060. Refer to: • GP 10 How to Check a Motor. • P/J762, IOT PWB. • 301G +24V Distribution RAP. • 301B 0V Distribution RAP. If necessary, install a new duplex motor assembly, PL 80.22 Item 8. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP. Enter dC330 code 083-060, duplex motor slow speed, MOT83-060. The motor runs. Y↓N→Go to Flag 2. Check MOT83-060. Refer to: • GP 10 How to Check a Motor. • P/J762, IOT PWB. • 301G +24V Distribution RAP. • 301B 0V Distribution RAP. If necessary, install a new duplex motor assembly, PL 80.22 Item 8. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP. Observe the duplex rolls, PL 80.22. The upper, mid and lower duplex rolls rotate. Y↓N→Refer to GP 7. Check the components that follow: • Upper duplex roll, PL 80.22 Item 14. • Mid duplex rolls, PL 80.22 Item 15. • Lower duplex roll, PL 80.22 Item 13. • Drive belt (65T), PL 80.22 Item 2. • Drive belt (89T), PL 80.22 Item 3. • Drive belt (45T), PL 80.22 Item 4. Install new components as necessary. Check the duplex roll idlers, PL 80.10 Item 11, refer to GP 7. Manually rotate the idler rolls. The idler rolls rotate. Y↓N→Install new components as necessary: • Duplex roll idler, PL 80.10 Item 11. • Idler spring, PL 80.10 Item 12. The fault persists Y↓N→Perform SCP 5 Final Actions. Enter dC330 code 082-150, registration sensor, Q82-150. Manually actuate Q82-150 with a strip of paper. The display changes. Y↓N→Go to Flag 3. Check Q82-150. Refer to: • GP 11 How to Check a Sensor. • P/J763, IOT PWB. • 301E +5V and +5VSB Distribution RAP. • 301B 0V Distribution RAP. If necessary, install a new registration sensor, PL 80.17 Item 7. If the fault persists, perform the OF7 IOT PWB Diagnostics RAP. Refer to GP 7 and OF10 Intermittent Fault RAP. Check the components that follow: • Registration nip roll, PL 80.15 Item 4. • Registration roll, PL 80.17 Item 5. • Registration drive pulley, PL 80.17 Item 3. • Registration drive belt, PL 80.17 Item 4. Install new components as necessary.